Down marker



FIG. 1 is a top, perspective view of the down marker; the view showing my new design;

FIG. 2 is a side elevation view thereof;

FIG. 3 is a side elevation view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a rear view thereof; and,

FIG. 8 is a bottom, perspective thereof. 

CLAIM I claim the ornamental design for a down marker, as shown. 